Titre :
|
Strongly coupled block-implicit solution technique for non-Newtonian convective heat transfer problems
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Auteurs :
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G. Vradis ;
K. Hammad
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Type de document :
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article/chapitre/communication
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Année de publication :
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1998
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Format :
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p.79-97
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Langues:
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= Anglais
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Catégories :
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PHYSIQUE ETAT DE LA MATIERE
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Mots-clés:
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MECANIQUE DES FLUIDES
;
METHODE AUX DIFFERENCES FINIES
;
TRANSFERT DE CHALEUR
;
FLUIDE NON NEWTONIEN
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Résumé :
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A finite-difference-based method is presented for the solution of fluid mechanics and convective heat transfer problems related to the flow of purely viscous non-Newtonian fluids with or without a yield stress. The method is based on a block-implicit formulation of the discretized governing equations in which the continuity, momentum, and energy equations me all solved simultaneously along grid lines. A number of flow problems have been solved involving both attached and separated flows of power-law, Bingham, and Herschel-Bulkley fluids, demonstrating a robust algorithm with the ability to solve such problems efficiently and accurately.
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Source :
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Numerical Heat Transfer Part B - Fundamentals, vol.33
|